Base for those big jumps in energy bills when summer temperatures start to rise and the average American family spends about $400 to keep their house cool between June and August but now there are some new gadgets that can help bring the bills down. ABC's Linzie Janis has the story. Reporter: Becky Torrez and her San Antonio family are trying to beat the heat at home. You use your air conditioner a lot I'm guessing. I do. Reporter: They spend a hefty $130 every month to keep cool. But thanks to a new and free budget from her local energy company, that's about to change. I'm excited. I can't wait to start saving money. Reporter: This thinkeco smart ac kit connects to your air-conditioning unit to make it smarter and save you money. Allowing you to control your ac from your smartphone even when you're away from home and forget to turn it up or off. Turn off? Yes. Reporter: Watch. Within seconds. Poof. Awesome. It's off. So it's completely free and it will save you money. And it was easy. Reporter: But why give these devices away for free? During peak times the energy company can remotely raise the temperature on your ac by up to 3 degrees helping them manage demand and prevent blackouts. And if you don't like it, you have the ability to override it. Patrick, hello. Patrick has been using the gadget on an ac unit in his bedroom as well as another system called nest that lets him control his central air. We'll do over a thousand dollars a year in savings. Reporter: You can save too. Utility providers in New York and Baltimore are also offering free smart ac kits and direct energy is offering rebates on the nest thermostat in Ohio and Illinois with New Jersey, new York and Pennsylvania to come. In all, the torrezes will beat the heat and taif $250 this year. For "Good morning America," Linzie Janis, ABC news, new York.

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